package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import com.sky.result.Result;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {
    /**
     * 查看购物车
     *
     * @return
     */
    @Select("select * from shopping_cart where user_id=#{userId}")
    List<ShoppingCart> list(Long userId);
    /**
     * 根据条件查询购物车集合
     * @param shoppingCart
     * @return
     */
    ShoppingCart queryShoppingCar(ShoppingCart shoppingCart);

    /**
     * 更新商品数量
     * @param shoppingCart
     */
    @Update("update shopping_cart set number=#{number} where id=#{id}")
    void updateNumberById(ShoppingCart shoppingCart);

    /**
     * add
     * @param shoppingCart
     */
    @Insert("insert into shopping_cart (name, image, user_id, dish_id, setmeal_id, dish_flavor, number, amount, create_time)" +
            " values(#{name},#{image},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{number},#{amount},#{createTime}) ")
    void insert(ShoppingCart shoppingCart);

    /**
     * 根据用户id删除购物车数据
     * @param userId
     */
    @Delete("delete from shopping_cart where user_id#={userId}")
    void delete(Long userId);

    @Delete("delete from shopping_cart where dish_id#={dishId}")
    void deleteSub(Long dishId);
}
